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All-optical switch with 1 ps response time enabled by graphene oxide infiltrated subwavelength grating waveguide

  • Omega Optics Inc.
  • University of Texas at Austin
  • Swinburne University of Technology

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

In this paper, we propose and demonstrate an all-optical switch using graphene oxide infiltrated subwavelength grating waveguide. Benefiting from the extremely large Kerr coefficient of graphene oxide (four orders of magnitude larger than conventional materials) and large mode volume overlap factor of the subwavelength grating waveguide (4∼10 times larger than conventional strip waveguides), the switch is capable of achieving THz speed with less than 1 fJ energy consumption per bit, which is more than three orders of magnitude smaller than THz switches reported so far.

Original languageEnglish
Title of host publicationSilicon Photonics XII
EditorsAndrew P. Knights, Graham T. Reed
PublisherSPIE
ISBN (Electronic)9781510606579
DOIs
StatePublished - 2017
Externally publishedYes
EventSilicon Photonics XII 2017 - San Francisco, United States
Duration: 30 Jan 20171 Feb 2017

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume10108
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferenceSilicon Photonics XII 2017
Country/TerritoryUnited States
CitySan Francisco
Period30/01/171/02/17

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • All-optical switch
  • Graphene oxide
  • Silicon photonics
  • Subwavelength grating waveguide

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